Retrospective Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Jul 27, 2025; 17(7): 105860
Published online Jul 27, 2025. doi: 10.4240/wjgs.v17.i7.105860
Table 4 Baseline characteristics of blood transfusion and non-transfusion patients, n (%)
Characteristics
Transfusion (n = 145)
Non-transfusion (n = 822)
P value
Age, year72 (68, 78)71 (68, 76)0.175
Males101 (69.7)595 (72.4)0.500
Blood loss (mL/kg)6.91 ± 6.403.26 ± 3.01< 0.0005
Weight (kg)61.75 ± 11.1163.32 ± 10.130.089
Preoperative albumin (g/dL)36.27 ± 3.4238.22 ± 4.03< 0.0005
Duration of surgery > 300 minutes59 (40.7)171 (20.8)< 0.0005
Heart disease18 (12.4)93 (11.3)0.702
Hypertension66 (45.5)353 (43.1)0.583
Stroke17 (11.7)65 (7.9)0.128
Pulmonary disease6 (4.1)60 (7.3)0.164
Obesity21 (14.5)113 (13.7)0.813
Cancer stage0.016
I14 (9.6)170 (20.7)
II48 (33.1)233 (28.3)
III72 (49.7)350 (42.6)
IV11 (7.6)69 (8.4)
Preoperative hematocrit level< 0.0005
> 30.0%70 (48.3)752 (91.5)
27.0%-30.0%34 (23.4)43 (5.2)
24.0%-26.9%26 (17.9)22 (2.7)
15.0%-23.9%15 (10.3)5 (0.6)
ASA score0.325
232 (22.1)155 (18.9)
3107 (73.8)646 (78.6)
46 (4.1)21 (2.6)
Site of procedure0.001
Stomach436 (53.0)99 (68.3)
Colon235 (28.6)34 (23.4)
Rectum151 (18.4)12 (8.3)